Compare ET Solar Group ET-P672310BB vs Greenfinity Energy GEL-M20

Warranty Terms

Output Warranty:

25 Years of 81.9% Output Power

Materials Warranty: 10 Years

Panel Performance

Rated Power: 310 Wp

Efficiency: 15.98 %

Voltage at Maximum Power VMPP: 36.54 V

Current at Maximum Power IMPP: 8.49 A

Open Circuit Voltage VOC: 45.65 V

Short Circuit Current ISC: 9.08 A

Power Tolerance Positive: + 1.5 %

Maximum System Voltage: 1000 V

Solar Panels Thermal Ranges

Operating Temperature Range: -40~85 °C

Temperature Coefficient of Pmax: -0.41 %/°C

Temperature Coefficient of Voc: -0.34 %/°C

Temperature Coefficient of Isc: 0.04 %/°C

Solar Panel Attributes

Weight: 25.7 kg

Cell Type: Polycrystalline

Cell Count: 72

Glass Thickness: unknown

Juntion Box Protection Class: IP 67

Cable Length: unknown

Glass Type: unknown

Warranty Terms

Output Warranty:

10 Years of 90% Output Power, 20 Years of 80% Output Power

Materials Warranty: 5 Years

Panel Performance

Rated Power: 20 Wp

Efficiency:

Voltage at Maximum Power VMPP: 17.1 V

Current at Maximum Power IMPP: 1.18 A

Open Circuit Voltage VOC: 21.4 V

Short Circuit Current ISC: 1.29 A

Power Tolerance Positive: + 5 %

Maximum System Voltage: 1000 V

Solar Panels Thermal Ranges

Operating Temperature Range: -40~85 °C

Temperature Coefficient of Pmax: -0.55 %/°C

Temperature Coefficient of Voc: -0.36 %/°C

Temperature Coefficient of Isc: 0.036 %/°C

Solar Panel Attributes

Weight: 2 kg

Cell Type: Monocrystalline

Cell Count: 36

Glass Thickness: 3.2 mm

Juntion Box Protection Class: IP 65

Cable Length: unknown

Glass Type: Tempered